Somewhere in code ^

Sunday, September 2, 2012

Hello World 2 (C#)

/*
 * Created by SharpDevelop.
 * User: wai
 * Date: 2/9/2012
 * Time: 15:34
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace HelloWorld
{
 public partial class MainForm : Form
 {
  public MainForm()
  {
   InitializeComponent();
   
   this.Size = new Size(220, 150);
   
   Button button = new Button();
   button.Name = "Button01";
   button.Text = "Hi";
   button.Location = new Point(0,0);
   button.Size = new Size(100, 40);
   button.Click += new EventHandler(Click);
   this.Controls.Add(button);
  }
  
  private void Click(object sender, EventArgs e)
  {
     MessageBox.Show("Wow", "Message");
  }
 }
}

Hello World (C#)

using System;

namespace HelloWorld
{
 class Program
 {
  public static void Main(string[] args)
  {
   Console.Write("Hello World !");
   Console.ReadKey(true);
  }
 }
}

Simple Vertical ScrollView (android)

package com.test;

import android.app.Activity;
import android.os.Bundle;
import android.view.ViewGroup.LayoutParams;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ScrollView;

public class VerticalScrollViewActivity extends Activity {
 
    ImageView i;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        LinearLayout l = new LinearLayout(this);
        l.setOrientation(LinearLayout.VERTICAL);
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        i = new ImageView(this);
        i.setImageResource(R.drawable.android);
        i.setPadding(5, 5, 0, 0);
        l.addView(i,new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        
        ScrollView m_Scroll = new ScrollView(this);
        m_Scroll.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
        m_Scroll.addView(l, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT) );
        m_Scroll.setOverScrollMode(1);
        m_Scroll.setSmoothScrollingEnabled(true);
        
        //addContentView(m_Scroll, new LayoutParams(LayoutParams.FILL_PARENT,
        //LayoutParams.WRAP_CONTENT));

        setContentView(m_Scroll);
    }
}

Friday, August 31, 2012

Location service (android)

public class LocationTestActivity extends Activity implements LocationListener {

    private LocationManager service;
    private TextView tv;
    private String provider;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
      
        tv = (TextView) findViewById(R.id.display);
      
        // Get the location manager
        service = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        Criteria criteria = new Criteria();
        provider = service.getBestProvider(criteria, false);
        Location location = service.getLastKnownLocation(provider);
      
        // Initialize the location fields
        if (location != null) {
          onLocationChanged(location);
        } else {
          tv.setText("Location not available");
        }
        boolean enabled = service.isProviderEnabled(LocationManager.GPS_PROVIDER);
        if (!enabled) {
          Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
          startActivity(intent);
        }
    }
    public void onLocationChanged(Location arg0) {
     
        //int lat = (int) (location.getLatitude());
        //int lng = (int) (location.getLongitude());
        //latituteField.setText(String.valueOf(lat));
        //longitudeField.setText(String.valueOf(lng));
     
        String lat = String.valueOf(arg0.getLatitude());
        String lon = String.valueOf(arg0.getLongitude());
        Log.e("GPS", "location changed: lat="+lat+", lon="+lon);
        tv.setText("lat="+lat+", lon="+lon);
    }
    public void onProviderDisabled(String arg0) {
        Toast.makeText(this, "Disabled provider " + provider,Toast.LENGTH_SHORT).show();
        Log.e("GPS", "provider disabled " + arg0);
    }
    public void onProviderEnabled(String arg0) {
        Toast.makeText(this, "Enabled new provider " + provider, Toast.LENGTH_SHORT).show();
        Log.e("GPS", "provider enabled " + arg0);
    }
    public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
        Log.e("GPS", "status changed to " + arg0 + " [" + arg1 + "]");
    }
    /* Request updates at startup */
    @Override
    protected void onResume() {
        super.onResume();
        service.requestLocationUpdates(provider, 400, 1, this);
    }
    /* Remove the locationlistener updates when Activity is paused */
    @Override
    protected void onPause() {
        super.onPause();
        service.removeUpdates(this);
    } 
}

Simple ListView 2 - with Dialog (android)

public class HelloListViewActivity extends ListActivity {

String[] data;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

// storing string resources into Array
data = getResources().getStringArray(R.array.data);
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_cell, R.id.label, data));

ListView lv = getListView();
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
createDialog(data[position]);
}
});
}

private void createDialog(String s)
{
new AlertDialog.Builder(this)
.setTitle("Message")
.setMessage("Go to " + s + " page ?")
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {

}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {

}
})
.show();
}
}

Thursday, August 30, 2012

Simple ListView (android)

res/layout/list_cell.xml

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/label"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="10dip"
android:textSize="16dip"
android:textStyle="bold" >
</TextView>

res/values/list.xml

<?xml version="1.0" encoding="utf-8"?>

<string-array name="data">

<item>Apple</item>

<item>Orange</item>

<item>Banana</item>

</string-array>

</resources>

import android.app.Activity;

import android.app.ListActivity;

import android.os.Bundle;

import android.widget.ArrayAdapter;

import android.widget.ListView;

public class HelloListViewActivity extends ListActivity {

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

// storing string resources into Array

String[] data = getResources().getStringArray(R.array.data);

// Binding resources Array to ListAdapter

this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_cell, R.id.label, data));

}

Somewhere in code ^_^